Wigand, Molly
How to write and sell geeting cards, bumper stickers, T-shirts and other fun stuff
Writer's Digest Books, 1992
 Buku Teks
Tam, Marilyn
How to use what you've got to get what you want : maksimalkan potensi anda untuk mencapai kesuksesan
Gramedia Pustaka Utama, 2007
 Buku Teks
Rabe, Cynthia Barton
The innovation killer: how what we know limits what we can imagine-- and what smart companies are doing about it
American Management Association, 2006
 eBooks
Hamel, Gary
Leading the revolution: how to thrive in turbulent times by making innovation a way of life / Gary Hamel
Harvard Business School Press, 2002
 Buku Teks
Griffin, W. Glenn
The creative process illustrated: how advertising's big ideas are born
HOW Books, 2010
 Buku Teks